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f2fs: fix to check upper boundary for gc_valid_thresh_ratio

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This patch adds missing upper boundary check while setting
gc_valid_thresh_ratio via sysfs.

Fixes: e791d00bd0 ("f2fs: add valid block ratio not to do excessive GC for one time GC")
Cc: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2025-06-27 10:38:17 +08:00 committed by Jaegeuk Kim
parent 55fc364b43
commit 7a96d1d73c
1 changed files with 7 additions and 0 deletions
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7
fs/f2fs/sysfs.c
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@ -635,6 +635,13 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
return count;
}
if (!strcmp(a->attr.name, "gc_valid_thresh_ratio")) {
if (t > 100)
return -EINVAL;
*ui = (unsigned int)t;
return count;
}
#ifdef CONFIG_F2FS_IOSTAT
if (!strcmp(a->attr.name, "iostat_enable")) {
sbi->iostat_enable = !!t;